BlackRock Fund Advisors’s ION Geophysical Corporation IO Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2016
Q4
$160K Buy
2016
Q3
$177K Sell
2016
Q2
$162K Sell
2016
Q1
$1.9M Sell
2015
Q4
$1.86M Sell
2015
Q3
$3.24M Buy
2015
Q2
$8.57M Buy
2015
Q1
$17.2M Buy
2014
Q4
$20.9M Buy
2014
Q3
$18.4M Sell
2014
Q2
$29.2M Sell
2014
Q1
$31.2M Buy
2013
Q4
$23.9M Buy
2013
Q3
$36.7M Buy
2013
Q2
$38.2M Buy